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Principal Software Architect

Microsoft

$163,000 - $331,200
Sep 4, 2025
Redmond, WA, USA
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Microsoft Excel is looking to integrate agentic experiences powered by large language models to transform how users interact with the product, analyze data, and create content, ensuring Excel remains at the forefront of intelligent, user-centric technology.

Requirements

  • Technical experience with large language models, including understanding model architecture and training techniques.
  • Demonstrated ability to set technical vision and drive execution in complex, cross-functional environments.
  • Experience as a software architect or in a similar senior technical leadership role for large-scale software products.
  • coding in languages including, but not limited to, C, C++, C, Java, JavaScript, or Python

Responsibilities

  • Define and oversee the technical strategy for agentic experiences in Excel, covering both front-end and back-end architecture.
  • Lead the technical design and implementation ensuring seamless integration with Excel core capabilities.
  • Evaluate and select appropriate technologies, frameworks, and tools to support agentic experiences.
  • Establish and maintain architectural standards, best practices, and guidelines for scalable, secure, and high-performance solutions.
  • Collaborate with engineering, product, and science teams to align technical direction with business objectives.
  • Continuously explore and master the latest advancements in LLMs and technologies shaping industry-leading LLM-based solutions.
  • Mentor and guide engineering teams to elevate technical standards and develop deep expertise in LLM technologies.

Other

  • This role requires you to be onsite 3 days a week in Microsoft's offices in Redmond, WA.
  • Ability to meet Microsoft, customer and/or government security screening requirements are required for this role.
  • Microsoft Cloud Background Check: This position will be required to pass the Microsoft Cloud background check upon hire/transfer and every two years thereafter.
  • As a core member of the leadership team, playing a pivotal role in shaping strategy and driving excellence across the organization.
  • As a key influencer and mentor, you’ll work side-by-side with organization leaders, product managers, scientists, and engineers to align technical strategy with bold business goals.